Genetic variation. We all have different gene expressions and often times we have different parent cells than somebody else of the same species, though, it's possible to share similar characteristics.
It decomposes it and returns the nutrients to the ground.
I think it's surface area would be less than it's volume so it means it won't be able to get nutrition as needed.
hope this helps :P
Answer:
3. B, D
Explanation:
A primary source is an animal that eats only plants. (herbivore) A secondary source is an animal that only eats herbivores (carnivores)
B has birds; which are food for carnivores, and fruits, nuts, and blossoms; which are food for herbivores.
D has vegetables and grains; which are food for herbivores, and meat; which is food for carnivores
The other options have only food for carnivores, or only food for herbivores, so the answer is 3
